Home / 377,463.50-566,282.73-128,145.50

Finding the Fourth Proportional to 377,463.50, 566,282.73 and 128,145.50

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Solution

The fourth proportional to 377,463.50, 566,282.73 and 128,145.50 is: 192,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,463.50 : 566,282.73 = 128,145.50 : x
  2. Step 2: Convert to fraction form
    377,463.50/566,282.73 = 128,145.50/x
  3. Step 3: Cross multiply
    377,463.50x = 566,282.73 × 128,145.50
  4. Step 4: Simplify right side
    377,463.50x = 72,566,583,577.22
  5. Step 5: Solve for x
    x = 72,566,583,577.22/377,463.50
  6. Step 6: Final answer
    x = 192,247.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.